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  1. /*
  2.  * This file is part of FFmpeg.
  3.  *
  4.  * FFmpeg is free software; you can redistribute it and/or
  5.  * modify it under the terms of the GNU Lesser General Public
  6.  * License as published by the Free Software Foundation; either
  7.  * version 2.1 of the License, or (at your option) any later version.
  8.  *
  9.  * FFmpeg is distributed in the hope that it will be useful,
  10.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12.  * Lesser General Public License for more details.
  13.  *
  14.  * You should have received a copy of the GNU Lesser General Public
  15.  * License along with FFmpeg; if not, write to the Free Software
  16.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  17.  */
  18.  
  19. #ifndef AVCODEC_HUFFYUVDSP_H
  20. #define AVCODEC_HUFFYUVDSP_H
  21.  
  22. #include <stdint.h>
  23. #include "config.h"
  24.  
  25. #if HAVE_BIGENDIAN
  26. #define B 3
  27. #define G 2
  28. #define R 1
  29. #define A 0
  30. #else
  31. #define B 0
  32. #define G 1
  33. #define R 2
  34. #define A 3
  35. #endif
  36.  
  37. typedef struct HuffYUVDSPContext {
  38.     void (*add_bytes)(uint8_t *dst /* align 16 */, uint8_t *src /* align 16 */,
  39.                       intptr_t w);
  40.     void (*add_hfyu_median_pred)(uint8_t *dst, const uint8_t *top,
  41.                                  const uint8_t *diff, intptr_t w,
  42.                                  int *left, int *left_top);
  43.     int (*add_hfyu_left_pred)(uint8_t *dst, const uint8_t *src,
  44.                               intptr_t w, int left);
  45.     void (*add_hfyu_left_pred_bgr32)(uint8_t *dst, const uint8_t *src,
  46.                                      intptr_t w, uint8_t *left);
  47. } HuffYUVDSPContext;
  48.  
  49. void ff_huffyuvdsp_init(HuffYUVDSPContext *c);
  50. void ff_huffyuvdsp_init_ppc(HuffYUVDSPContext *c);
  51. void ff_huffyuvdsp_init_x86(HuffYUVDSPContext *c);
  52.  
  53. #endif /* AVCODEC_HUFFYUVDSP_H */
  54.